Home / 118,098,370.20-177,147,555.30-72,181,867.80

Finding the Fourth Proportional to 118,098,370.20, 177,147,555.30 and 72,181,867.80

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Solution

The fourth proportional to 118,098,370.20, 177,147,555.30 and 72,181,867.80 is: 108,272,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,370.20 : 177,147,555.30 = 72,181,867.80 : x
  2. Step 2: Convert to fraction form
    118,098,370.20/177,147,555.30 = 72,181,867.80/x
  3. Step 3: Cross multiply
    118,098,370.20x = 177,147,555.30 × 72,181,867.80
  4. Step 4: Simplify right side
    118,098,370.20x = 12,786,841,417,757,790
  5. Step 5: Solve for x
    x = 12,786,841,417,757,790/118,098,370.20
  6. Step 6: Final answer
    x = 108,272,801.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.